18247468 has 36 divisors (see below), whose sum is σ = 34032096. Its totient is φ = 8556000.

The previous prime is 18247451. The next prime is 18247483. The reversal of 18247468 is 86474281.

It is a super-2 number, since 2×18247468² = 665940176822048, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 18247468.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 180618 + ... + 180718.

It is an arithmetic number, because the mean of its divisors is an integer number (945336).

Almost surely, 2^18247468 is an apocalyptic number.

It is an amenable number.

18247468 is a deficient number, since it is larger than the sum of its proper divisors (15784628).

18247468 is a wasteful number, since it uses less digits than its factorization.

18247468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214 (or 181 counting only the distinct ones).

The product of its digits is 86016, while the sum is 40.

The square root of 18247468 is about 4271.7055141945. The cubic root of 18247468 is about 263.2696949605.

The spelling of 18247468 in words is "eighteen million, two hundred forty-seven thousand, four hundred sixty-eight".